<template>
	<view class="container">
		<view class="carousel">
			<swiper indicator-dots circular=true duration="400">
				<swiper-item class="swiper-item" v-for="(item,index) in imgList" :key="index">
					<view class="image-wrapper">
						<image :src="'http://yao.hayzon.com/static/product/'+item" class="loaded" mode="aspectFill"></image>
					</view>
				</swiper-item>
			</swiper>
		</view>
		<view class="introduce-section header">
			<text class="title">枇杷秋梨膏|古法工艺。浓缩秋梨汁甘草枇杷枇杷菊花。一大罐450克</text>
			<view @click="share" class="share-btn">
				<image src="http://yao.hayzon.com/static/product/fx.png"></image>
				<text >
					分享
				</text>
			</view>
		</view>
		<view class="introduce-section">
			<view class="price-box">
				<text class="price">¥38.00</text>
			</view>
			<view class="bot-row">
				<text>运费: ￥0~20</text>
				<text>库存: 480</text>
				<text>销量: 1388</text>
			</view>
		</view>
		<view class="share-section">
			<image src='http://yao.hayzon.com/static/product/zan.png'></image>
			<text class="yticon icon-xingxing">有赞担保</text>
			<text class="tit">全程护航，请放心购买</text>
		</view>

		<view class="c-list eva-section">
			<view class="c-row b-b" @click="toggleSpec">
				<text class="tit">已选：</text>
				<text class="con t-r red">枇杷秋梨膏450克</text>
				<image class="arrow" src="http://yao.hayzon.com/static/index/arrow.png"></image>
				<text class="yticon icon-you"></text>
			</view>
			<view class="c-row b-b">
				<text class="tit">配送方式：</text>
				<text class="con t-r">快递</text>
				<text class="yticon icon-you"></text>
			</view>
		</view>


		<view class="c-list eva-section">
			<view class="c-row b-b" @click="toggleSpec">
				<image class="c-row-image" src="http://yao.hayzon.com/static/product/LOGO1.png"></image>
				<text class="con t-r">康品优选</text>
				<image class="arrow" src="http://yao.hayzon.com/static/index/arrow.png"></image>
				<text class="yticon icon-you"></text>
			</view>
			<view class="share-section border">
				<image class="xuan" src='http://yao.hayzon.com/static/product/xuan.png'></image>
				<text class="yticon">企业认证</text>
				<image class="xuan" src='http://yao.hayzon.com/static/product/xuan.png'></image>
				<text class="yticon">收货后付款</text>
			</view>
		</view>

		<!-- 评价 -->
		<view class="eva-section">
			<view class="e-header">
				<text class="tit">评价</text>
				<text>(1388)</text>
				<text class="tip">好评率 100%</text>
				<text class="yticon icon-you"></text>
			</view>
			<view class="eva-box">
				<image class="portrait" src="http://img3.imgtn.bdimg.com/it/u=1150341365,1327279810&fm=26&gp=0.jpg" mode="aspectFill"></image>
				<view class="right">
					<text class="name">Leo yo</text>
					<text class="con">商品收到了，秋梨膏味道好，效果很好，喝了两次效果显著，第二次购买了。</text>
					<view class="bot">
						<text class="attr">购买类型：枇杷秋梨膏450克</text>
						<text class="time">2019-04-01 19:21</text>
					</view>
				</view>
			</view>
		</view>

		<view class="detail-desc">
			<view class="d-header">
				<text>图文详情</text>
			</view>
			<image v-for="(item,index) in descImgList" :key="index" :src="'http://yao.hayzon.com/static/product/'+item" mode="widthFix"></image>
		</view>

		<!-- 底部操作菜单 -->
		<view class="page-bottom">
			<navigator open-type="switchTab" class="p-b-btn">
				<image src="http://yao.hayzon.com/static/product/kf.png"></image>
				<text>客服</text>
			</navigator>
			<navigator url="cart" open-type="switchTab" class="p-b-btn" @tap="navigateTo">
				<image src="http://yao.hayzon.com/static/product/gwc.png"></image>
				<text>购物车</text>
			</navigator>

			<view class="action-btn-group">
				<button type="primary" class=" action-btn no-border add-cart-btn"  @click="togglePopup('middle')">加入购物车</button>
				<uni-popup :show="type === 'middle'" position="middle" mode="fixed" msg="已加入购物车" @hidePopup="togglePopup('')" />
				<button type="primary" class=" action-btn no-border buy-now-btn" @click="buy">立即购买</button>
			</view>
		</view>


		<!-- 规格-模态层弹窗 -->
		<view class="popup spec" :class="specClass" @touchmove.stop.prevent="stopPrevent" @click="toggleSpec">
			<!-- 遮罩层 -->
			<view class="mask"></view>
			<view class="layer attr-content" @click.stop="stopPrevent">
				<view class="a-t">
					<image src="http://yao.hayzon.com/static/product/1.png"></image>
					<view class="right">
						<text class="price">¥38.00</text>
						<text class="stock">库存：480件</text>
						<view class="selected">
							已选：
							<text class="selected-text" v-for="(sItem, sIndex) in specSelected" :key="sIndex">
								{{sItem.name}}
							</text>
						</view>
					</view>
				</view>
				<view v-for="(item,index) in specList" :key="index" class="attr-list">
					<text>{{item.name}}</text>
					<view class="item-list">
						<text v-for="(childItem, childIndex) in specChildList" v-if="childItem.pid === item.id" :key="childIndex" class="tit"
						 :class="{selected: childItem.selected}" @click="selectSpec(childIndex, childItem.pid)">
							{{childItem.name}}
						</text>
					</view>
				</view>
				<button class="btn" @click="toggleSpec">完成</button>
			</view>
		</view>
		<!-- 分享 -->
		<share ref="share" :contentHeight="580" :shareList="shareList"></share>
	</view>
</template>

<script>
	import share from '@/components/share';
	import uniPopup from '@/components/uni-popup/uni-popup.vue'
	export default {
		components: {
			share,
			uniPopup
		},
		data() {
			return {
				specClass: 'none',
				specSelected: [],

				favorite: true,
				shareList: [],
				imgList: ['1.png', '2.png', '3.png', '4.png', '5.png', '6.png', '7.png', '8.png'],
				descImgList:['info-1.png','info-2.png','info-3.png','info-4.png','info-5.png','info-6.png','info-7.png','info-9.png','info-10.png','info-11.png'],
				specList: [{
						id: 1,
						name: '参数',
					},
					{
						id: 2,
						name: '口味',
					},
				],
				specChildList: [{
						id: 1,
						pid: 1,
						name: '10克',
					},
					{
						id: 2,
						pid: 1,
						name: '20克',
					},
					{
						id: 3,
						pid: 1,
						name: '30克',
					},
					{
						id: 4,
						pid: 1,
						name: '50克',
					},
					{
						id: 5,
						pid: 1,
						name: '80克',
					},
					{
						id: 6,
						pid: 1,
						name: '100克',
					},
					{
						id: 7,
						pid: 2,
						name: '枇杷',
					},
					{
						id: 8,
						pid: 2,
						name: '甘草',
					},
					{
						id: 9,
						pid: 2,
						name: '蜂蜜',
					},
				]
			};
		},
		async onLoad(options) {
			uni.setNavigationBarTitle({
				title: "枇杷秋梨膏|古法熬制|精品保养精品保养精品保养精品保养精品保养精品保养精品保养"
			})
			//接收传值,id里面放的是标题，因为测试数据并没写id 
			let id = options.id;
			if (id) {
				this.$api.msg(`点击了${id}`);
			}


			//规格 默认选中第一条
			this.specList.forEach(item => {
				for (let cItem of this.specChildList) {
					if (cItem.pid === item.id) {
						this.$set(cItem, 'selected', true);
						this.specSelected.push(cItem);
						break; //forEach不能使用break
					}
				}
			})
		},
		onBackPress() {
			if (this.type !== '') {
				this.type = '';
				return true;
			}
		},
		methods: {
			togglePopup(type) {
				this.type = type;
			},
			navigateTo() {
				uni.navigateTo({
					url: 'cart'
				})
			},
			//规格弹窗开关
			toggleSpec() {
				if (this.specClass === 'show') {
					this.specClass = 'hide';
					setTimeout(() => {
						this.specClass = 'none';
					}, 250);
				} else if (this.specClass === 'none') {
					this.specClass = 'show';
				}
			},
			//选择规格
			selectSpec(index, pid) {
				let list = this.specChildList;
				list.forEach(item => {
					if (item.pid === pid) {
						this.$set(item, 'selected', false);
					}
				})

				this.$set(list[index], 'selected', true);
				//存储已选择
				/**
				 * 修复选择规格存储错误
				 * 将这几行代码替换即可
				 * 选择的规格存放在specSelected中
				 */
				this.specSelected = [];
				list.forEach(item => {
					if (item.selected === true) {
						this.specSelected.push(item);
					}
				})

			},
			//分享
			share() {
				//this.$refs.share.toggleMask();
			},
			//收藏
			toFavorite() {
				this.favorite = !this.favorite;
			},
			buy() {
				uni.navigateTo({
					url: `/pages/order/createOrder`
				})
			},
			stopPrevent() {}
		},

	}
</script>

<style lang='scss'>
	page {
		background: $page-color-base;
		padding-bottom: 160upx;
	}

	.icon-you {
		font-size: $font-base + 2upx;
		color: #888;
	}

	.carousel {
		height: 722upx;
		position: relative;

		swiper {
			height: 100%;
		}

		.image-wrapper {
			width: 100%;
			height: 100%;
		}

		.swiper-item {
			display: flex;
			justify-content: center;
			align-content: center;
			height: 750upx;
			overflow: hidden;

			image {
				width: 100%;
				height: 100%;
			}
		}

	}

	.header {
		display: flex;
	}

	/* 标题简介 */
	.introduce-section {
		background: #fff;
		padding: 20upx 30upx;

		.title {
			font-size: 32upx;
			color: $font-color-dark;
			height: 50upx;
			line-height: 50upx;
		}

		.price-box {
			display: flex;
			align-items: baseline;
			height: 64upx;
			padding: 10upx 0;
			font-size: 26upx;
			color: $uni-color-primary;
		}

		.price {
			font-size: $font-lg + 2upx;
			color: #eb544d;
		}

		.m-price {
			margin: 0 12upx;
			color: $font-color-light;
			text-decoration: line-through;
		}

		.coupon-tip {
			align-items: center;
			padding: 4upx 10upx;
			background: $uni-color-primary;
			font-size: $font-sm;
			color: #fff;
			border-radius: 6upx;
			line-height: 1;
			transform: translateY(-4upx);
		}

		.bot-row {
			display: flex;
			align-items: center;
			height: 50upx;
			font-size: $font-sm;
			color: $font-color-light;

			text {
				flex: 1;
			}
		}
	}

	/* 分享 */
	.share-section {
		display: flex;
		align-items: center;
		color: $font-color-base;
		background: #fff;
		padding: 12upx 30upx;

		.icon-xingxing {
			color: #67b836;
			margin-right: 10upx;
		}

		.tit {
			font-size: $font-base;
			margin-left: 10upx;
		}

		image {
			width: 60upx;
			height: 60upx;
		}

		.xuan {
			width: 40upx;
			height: 40upx;
			margin-left: 10upx;
		}

		.icon-bangzhu1 {
			padding: 10upx;
			font-size: 30upx;
			line-height: 1;
		}

		.icon-you {
			font-size: $font-sm;
			margin-left: 4upx;
			color: $uni-color-primary;
		}
	}

	.arrow {
		width: 50upx;
		height: 50upx;
	}

	.c-list {
		font-size: $font-sm + 2upx;
		color: $font-color-base;
		background: #fff;

		.c-row {
			display: flex;
			align-items: center;
			padding: 20upx 30upx;
			position: relative;
		}

		.mar {
			margin-bottom: 20upx;
		}

		.tit {
			width: 140upx;
		}

		.con {
			flex: 1;
			color: $font-color-dark;

			.selected-text {
				margin-right: 10upx;
			}
		}

		.bz-list {
			height: 40upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;

			text {
				display: inline-block;
				margin-right: 30upx;
			}
		}

		.con-list {
			flex: 1;
			display: flex;
			flex-direction: column;
			color: $font-color-dark;
			line-height: 40upx;
		}

		.red {
			color: $uni-color-primary;
		}

		.c-row-image {
			width: 130upx;
			height: 130upx;
			margin-right: 20upx;
		}
	}

	/* 评价 */
	.eva-section {
		display: flex;
		flex-direction: column;
		padding: 20upx 30upx;
		background: #fff;
		margin-top: 16upx;

		.e-header {
			display: flex;
			align-items: center;
			height: 70upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.tit {
				font-size: $font-base + 2upx;
				color: $font-color-dark;
				margin-right: 4upx;
			}

			.tip {
				flex: 1;
				text-align: right;
			}

			.icon-you {
				margin-left: 10upx;
			}
		}
	}

	.eva-box {
		display: flex;
		padding: 20upx 0;

		.portrait {
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			border-radius: 100px;
		}

		.right {
			flex: 1;
			display: flex;
			flex-direction: column;
			font-size: $font-base;
			color: $font-color-base;
			padding-left: 26upx;

			.con {
				font-size: $font-base;
				color: $font-color-dark;
				padding: 20upx 0;
			}

			.bot {
				display: flex;
				justify-content: space-between;
				font-size: $font-sm;
				color: $font-color-light;
			}
		}
	}

	/*  详情 */
	
	.detail-desc {
		background: #fff;
		margin-top: 16upx;

		.d-header {
			display: flex;
			justify-content: center;
			align-items: center;
			height: 80upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			position: relative;

			text {
				padding: 0 20upx;
				background: #fff;
				position: relative;
				z-index: 1;
			}

			&:after {
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translateX(-50%);
				width: 300upx;
				height: 0;
				content: '';
				border-bottom: 1px solid #ccc;
			}
		}
	}
	.detail-desc image{ width: 100%;}

	/* 规格选择弹窗 */
	.attr-content {
		padding: 10upx 30upx;

		.a-t {
			display: flex;

			image {
				width: 170upx;
				height: 170upx;
				flex-shrink: 0;
				margin-top: -40upx;
				border-radius: 8upx;
				;
			}

			.right {
				display: flex;
				flex-direction: column;
				padding-left: 24upx;
				font-size: $font-sm + 2upx;
				color: $font-color-base;
				line-height: 42upx;

				.price {
					font-size: $font-lg;
					color: $uni-color-primary;
					margin-bottom: 10upx;
				}

				.selected-text {
					margin-right: 10upx;
				}
			}
		}

		.attr-list {
			display: flex;
			flex-direction: column;
			font-size: $font-base + 2upx;
			color: $font-color-base;
			padding-top: 30upx;
			padding-left: 10upx;
		}

		.item-list {
			padding: 20upx 0 0;
			display: flex;
			flex-wrap: wrap;

			text {
				display: flex;
				align-items: center;
				justify-content: center;
				background: #eee;
				margin-right: 20upx;
				margin-bottom: 20upx;
				border-radius: 100upx;
				min-width: 60upx;
				height: 60upx;
				padding: 0 20upx;
				font-size: $font-base;
				color: $font-color-dark;
			}

			.selected {
				background: #fbebee;
				color: $uni-color-primary;
			}
		}
	}

	/*  弹出层 */
	.popup {
		position: fixed;
		left: 0;
		top: 0;
		right: 0;
		bottom: 0;
		z-index: 99;

		&.show {
			display: block;

			.mask {
				animation: showPopup 0.2s linear both;
			}

			.layer {
				animation: showLayer 0.2s linear both;
			}
		}

		&.hide {
			.mask {
				animation: hidePopup 0.2s linear both;
			}

			.layer {
				animation: hideLayer 0.2s linear both;
			}
		}

		&.none {
			display: none;
		}

		.mask {
			position: fixed;
			top: 0;
			width: 100%;
			height: 100%;
			z-index: 1;
			background-color: rgba(0, 0, 0, 0.4);
		}

		.layer {
			position: fixed;
			z-index: 99;
			bottom: 0;
			min-height: 40vh;
			border-radius: 10upx 10upx 0 0;
			background-color: #fff;

			.btn {
				height: 66upx;
				line-height: 66upx;
				border-radius: 100upx;
				background: #fd4648;
				font-size: $font-base + 2upx;
				color: #fff;
				margin: 30upx;
				
			}
		}

		@keyframes showPopup {
			0% {
				opacity: 0;
			}

			100% {
				opacity: 1;
			}
		}

		@keyframes hidePopup {
			0% {
				opacity: 1;
			}

			100% {
				opacity: 0;
			}
		}

		@keyframes showLayer {
			0% {
				transform: translateY(120%);
			}

			100% {
				transform: translateY(0%);
			}
		}

		@keyframes hideLayer {
			0% {
				transform: translateY(0);
			}

			100% {
				transform: translateY(120%);
			}
		}
	}

	/* 底部操作菜单 */
	.page-bottom {
		position: fixed;
		bottom: 0upx;
		z-index: 95;
		display: flex;
		justify-content: center;
		align-items: center;
		width: 100%;
		height: 100upx;
		background: rgba(255, 255, 255, .9);
		box-shadow: 0 0 20upx 0 rgba(0, 0, 0, .5);

		.p-b-btn {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-size: $font-sm;
			color: $font-color-base;
			width: 96upx;
			height: 80upx;

			.yticon {
				font-size: 40upx;
				line-height: 48upx;
				color: $font-color-light;
			}

			&.active,
			&.active .yticon {
				color: $uni-color-primary;
			}

			.icon-fenxiang2 {
				font-size: 42upx;
				transform: translateY(-2upx);
			}

			.icon-shoucang {
				font-size: 46upx;
			}
		}

		.action-btn-group {
			display: flex;
			height: 76upx;
			border-radius: 100px;
			overflow: hidden;
			box-shadow: 0 20upx 40upx -16upx #fa436a;
			box-shadow: 1px 2px 5px rgba(219, 63, 96, 0.4);
			background: linear-gradient(to right, #ffac30, #fa436a, #F56C6C);
			margin-left: 20upx;
			position: relative;

			&:after {
				content: '';
				position: absolute;
				top: 50%;
				right: 50%;
				transform: translateY(-50%);
				height: 28upx;
				width: 0;
				border-right: 1px solid rgba(255, 255, 255, .5);
			}

			.action-btn {
				display: flex;
				align-items: center;
				justify-content: center;
				width: 180upx;
				height: 100%;
				font-size: $font-base;
				padding: 0;
				border-radius: 0;
				background: transparent;
			}
		}
	}

	.border {
		border-top: 2px solid #f8f8f8;
	}

	.p-b-btn image {
		width: 50upx;
		height: 50upx;
	}

	.share-btn {
		width: 80upx;
		text-align: right;
		font-size: $font-sm;
		color: $uni-color-primary;
	}
	.share-btn image{width: 40upx; height: 40upx;}
</style>
